8-letter words containing i, p, r, o
- phorminx — an ancient Greek stringed musical instrument of the lyre family
- phormium — any plant of the New Zealand bulbous genus Phormium, with leathery evergreen leaves and red or yellow flowers in panicles
- phoronid — any member of the invertebrate phylum Phoronida, wormlike marine animals living in a chitinous tube and having an anterior structure bearing ciliated tentacles for feeding.
- picaroon — a rogue, vagabond, thief, or brigand.
- piciform — of or relating to birds belonging to the six families which make up the order Piciformes. The best-known of these six is the Picidae family and the entire order is made up of mainly tree-haunting birds
- pickford — Mary (Gladys Marie Smith) 1893–1979, U.S. motion-picture actress, born in Canada.
- picloram — a colorless powder, C 6 H 3 Cl 3 N 2 O 2 , used as a systemic herbicide for controlling annual weeds and deep-rooted perennials on noncrop land.
- picogram — one trillionth of a gram. Abbreviation: pg.
- piedfort — a coin or pattern struck on a blank thicker than that used for the regular issue.
- pig iron — iron tapped from a blast furnace and cast into pigs in preparation for conversion into steel, cast iron, or wrought iron.
- pigeonry — a loft for keeping pigeons in; dovecote; pigeon house
- pilework — construction built from heavy stakes or cylinders
- pilewort — Also called fireweed. a weedy composite plant, Erechtites hieracifolia, having narrow flower heads enclosed in green bracts.
- piliform — having the form of a hair; resembling hair.
- pillworm — a type of millipede that can roll itself up into a ball
- pillwort — a small Eurasian water fern, Pilularia globulifera, with globular spore-producing bodies and grasslike leaves
- pinafore — a child's apron, usually large enough to cover the dress and sometimes trimmed with flounces.
- pinkroot — the root of any of various plants belonging to the genus Spigelia, of the logania family, especially that of S. marilandica of the U.S., that is used as a vermifuge.
- pioneers — a historical novel (1823) by James Fenimore Cooper.
- pipework — pipes and stops on an organ
- pipewort — a perennial plant, Eriocaulon septangulare, of wet places in W Republic of Ireland, the Scottish Hebrides, and the eastern US, having a twisted flower stalk and a greenish-grey scaly flower head: family Eriocaulaceae
- pipperoo — pip3 (def 2).
- pirapora — a city in E Brazil.
- piroshki — small turnovers or dumplings with a filling, as of meat or fruit.
- pirozhki — small triangular pastries filled with meat, vegetables, etc
- piscator — fisherman.
- pisiform — having the shape of a pea; pea-shaped.
- pissarro — Camille [ka-mee-yuh] /kaˈmi yə/ (Show IPA), 1830–1903, French painter.
- pisspoor — of extremely inferior or disappointing quality or rating.
- pit prop — a wooden beam used to prop up the roof of a tunnel in a coal mine
- pityroid — scaly; resembling bran.
- pliosaur — a large dinosaur with a short neck
- pliotron — any hot-cathode vacuum tube having an anode and one or more grids.
- podiatry — the care of the human foot, especially the diagnosis and treatment of foot disorders.
- poetizer — a person who composes verses, usually of an inferior nature
- poincare — Jules Henri [zhyl ahn-ree] /ʒül ɑ̃ˈri/ (Show IPA), 1854–1912, French mathematician.
- pointers — a person or thing that points.
- poisoner — a substance with an inherent property that tends to destroy life or impair health.
- poitiers — a city in SE France, on the Rhone River, S of Lyons: Roman ruins.
- poitrine — a woman's bosom
- pokerish — resembling a poker in stiffness
- polarise — to cause polarization in.
- polarity — Physics. the property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery. the positive or negative state in which a body reacts to a magnetic, electric, or other field.
- polarize — to cause polarization in.
- polaroid — instant photograph
- policier — French. a novel or film featuring detectives, crime, or the like.
- polisher — to make smooth and glossy, especially by rubbing or friction: to polish a brass doorknob.
- polybrid — a hybrid plant with more than two parental groups
- polyuria — the passing of an excessive quantity of urine, as in diabetes, in certain nervous diseases, etc.
- poorwill — a small bird of North America